function CheckLodop() {
	var oldVersion = LODOP.Version;
	newVerion = "4.0.0.2";
	if (oldVersion == null) {
		document.write("<h3><font color='#FF00FF'>打印控件未安装!点击这里<a href='/public/javascripts/expressprint/lodop/install_lodop.exe'>执行安装</a>,安装后请刷新页面。</font></h3>");
		if (navigator.appName == "Netscape")
			document
					.write("<h3><font color='#FF00FF'>（Firefox浏览器用户需先点击这里<a href='/public/javascripts/expressprint/lodop/npActiveX0712SFx31.xpi'>安装运行环境</a>）</font></h3>");
	} else if (oldVersion < newVerion)
		document
				.write("<h3><font color='#FF00FF'>打印控件需要升级!点击这里<a href='/public/javascripts/expressprint/lodop/install_lodop.exe'>执行升级</a>,升级后请重新进入。</font></h3>");
}
